** FILE ** Former Rep. Peter Hoekstra, shown in June 2010, plans to seek the GOP nomination to challenge Democratic Sen. Debbie Stabenow in 2012, the Associated Press has learned. (AP Photo/Adam Bird)

Photo by: Adam Bird

** FILE ** Former Rep. Peter Hoekstra, shown in June 2010, plans to seek the GOP nomination to challenge Democratic Sen. Debbie Stabenow in 2012, the Associated Press has learned. (AP Photo/Adam Bird)